The Inflatable Rubber Ring Cushion is a great device that can be used to prevent pressure sores or assist with their healing. The ring cushion can be inflated to suit the level of comfort or relief required for the user. The ring cushion is inflated using the rubber pump specifically designed for use with the cushion.Pump is included.The rubber surface is easy to clean and also dries easily.Simply wipe clean and allow to air dry before using.